local M = {}

local function nav(short_direction, direction)
	-- get window ID, try switching windows, and get ID again to see if it worked
	local cur_winnr = vim.fn.winnr()
	vim.api.nvim_command("wincmd " .. short_direction)
	local new_winnr = vim.fn.winnr()

	-- if the window ID didn't change, then we didn't switch
	if cur_winnr == new_winnr then
		vim.fn.system("zellij action move-focus " .. direction)
		if vim.v.shell_error ~= 0 then
			error("zellij executable not found in path")
		end
	end
end

function M.up()
	nav("k", "up")
end

function M.down()
	nav("j", "down")
end

function M.right()
	nav("l", "right")
end

function M.left()
	nav("h", "left")
end

-- create our exported setup() function
function M.setup(opts)
	-- create our commands
	vim.api.nvim_create_user_command("ZellijNavigateUp", M.up, {})
	vim.api.nvim_create_user_command("ZellijNavigateDown", M.down, {})
	vim.api.nvim_create_user_command("ZellijNavigateLeft", M.left, {})
	vim.api.nvim_create_user_command("ZellijNavigateRight", M.right, {})
end

return M